1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <salhelper/dynload.hxx>
#include <rtl/ustrbuf.hxx>
namespace salhelper
{
typedef void* (*ApiInitFunction) ();
ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,
const OUString& moduleName,
const OUString& initFunction,
void* pApi,
oslModule pModule)
: m_pApi(pApi)
, m_refCount(1)
, m_pModule(pModule)
, m_strModuleName(moduleName)
, m_strInitFunction(initFunction)
, ppSetToZeroInDestructor( ppSetToZeroInDestructor_ )
{
}
ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,
const OUString& moduleName,
const OUString& initFunction)
{
#ifdef DISABLE_DYNLOADING
(void) ppSetToZeroInDestructor;
(void) moduleName;
(void) initFunction;
return NULL;
#else
ApiInitFunction initFunc;
oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT);
if ( !pModule )
{
return nullptr;
}
initFunc = reinterpret_cast<ApiInitFunction>(osl_getFunctionSymbol(
pModule, initFunction.pData));
if ( !initFunc )
{
osl_unloadModule(pModule);
return nullptr;
}
return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName,
initFunction,
initFunc(),
pModule));
#endif
}
ORealDynamicLoader::~ORealDynamicLoader()
{
// set the address to zero
if( ppSetToZeroInDestructor )
*ppSetToZeroInDestructor = nullptr;
if (m_pModule)
{
#ifndef DISABLE_DYNLOADING
osl_unloadModule(m_pModule);
#endif
m_pModule = nullptr;
}
}
sal_uInt32 ORealDynamicLoader::acquire()
{
return ++m_refCount;
}
sal_uInt32 ORealDynamicLoader::release()
{
sal_uInt32 nRet = --m_refCount;
if( nRet == 0 )
delete this;
return nRet;
}
void* ORealDynamicLoader::getApi() const
{
return m_pApi;
}
} // namespace salhelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
